<?php

    /**
     * PHPExcel_Style_Font
     * Copyright (c) 2006 - 2015 PHPExcel
     * This library is free software; you can redistribute it and/or
     * modify it under the terms of the GNU Lesser General Public
     * License as published by the Free Software Foundation; either
     * version 2.1 of the License, or (at your option) any later version.
     * This library is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     * Lesser General Public License for more details.
     * You should have received a copy of the GNU Lesser General Public
     * License along with this library; if not, write to the Free Software
     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
     * @category   PHPExcel
     * @package    PHPExcel_Style
     * @copyright  Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
     * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
     * @version    ##VERSION##, ##DATE##
     */
    class PHPExcel_Style_Font extends PHPExcel_Style_Supervisor implements PHPExcel_IComparable {
        /* Underline types */
        const UNDERLINE_NONE             = 'none';
        const UNDERLINE_DOUBLE           = 'double';
        const UNDERLINE_DOUBLEACCOUNTING = 'doubleAccounting';
        const UNDERLINE_SINGLE           = 'single';
        const UNDERLINE_SINGLEACCOUNTING = 'singleAccounting';
        /**
         * Font Name
         * @var string
         */
        protected $name = 'Calibri';
        /**
         * Font Size
         * @var float
         */
        protected $size = 11;
        /**
         * Bold
         * @var boolean
         */
        protected $bold = false;
        /**
         * Italic
         * @var boolean
         */
        protected $italic = false;
        /**
         * Superscript
         * @var boolean
         */
        protected $superScript = false;
        /**
         * Subscript
         * @var boolean
         */
        protected $subScript = false;
        /**
         * Underline
         * @var string
         */
        protected $underline = self::UNDERLINE_NONE;
        /**
         * Strikethrough
         * @var boolean
         */
        protected $strikethrough = false;
        /**
         * Foreground color
         * @var PHPExcel_Style_Color
         */
        protected $color;

        /**
         * Create a new PHPExcel_Style_Font
         * @param    boolean $isSupervisor        Flag indicating if this is a supervisor or not
         *                                        Leave this value at default unless you understand exactly what
         *                                        its ramifications are
         * @param    boolean $isConditional       Flag indicating if this is a conditional style or not
         *                                        Leave this value at default unless you understand exactly what
         *                                        its ramifications are
         */
        public function __construct($isSupervisor = false, $isConditional = false) {
            // Supervisor?
            parent::__construct($isSupervisor);
            // Initialise values
            if ($isConditional) {
                $this->name          = null;
                $this->size          = null;
                $this->bold          = null;
                $this->italic        = null;
                $this->superScript   = null;
                $this->subScript     = null;
                $this->underline     = null;
                $this->strikethrough = null;
                $this->color         = new PHPExcel_Style_Color(PHPExcel_Style_Color::COLOR_BLACK, $isSupervisor, $isConditional);
            } else {
                $this->color = new PHPExcel_Style_Color(PHPExcel_Style_Color::COLOR_BLACK, $isSupervisor);
            }
            // bind parent if we are a supervisor
            if ($isSupervisor) {
                $this->color->bindParent($this, 'color');
            }
        }

        /**
         * Apply styles from array
         * <code>
         * $objPHPExcel->getActiveSheet()->getStyle('B2')->getFont()->applyFromArray(
         *        array(
         *            'name'        => 'Arial',
         *            'bold'        => TRUE,
         *            'italic'    => FALSE,
         *            'underline' => PHPExcel_Style_Font::UNDERLINE_DOUBLE,
         *            'strike'    => FALSE,
         *            'color'        => array(
         *                'rgb' => '808080'
         *            )
         *        )
         * );
         * </code>
         * @param    array $pStyles Array containing style information
         * @throws    PHPExcel_Exception
         * @return PHPExcel_Style_Font
         */
        public function applyFromArray($pStyles = null) {
            if (is_array($pStyles)) {
                if ($this->isSupervisor) {
                    $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($this->getStyleArray($pStyles));
                } else {
                    if (array_key_exists('name', $pStyles)) {
                        $this->setName($pStyles['name']);
                    }
                    if (array_key_exists('bold', $pStyles)) {
                        $this->setBold($pStyles['bold']);
                    }
                    if (array_key_exists('italic', $pStyles)) {
                        $this->setItalic($pStyles['italic']);
                    }
                    if (array_key_exists('superScript', $pStyles)) {
                        $this->setSuperScript($pStyles['superScript']);
                    }
                    if (array_key_exists('subScript', $pStyles)) {
                        $this->setSubScript($pStyles['subScript']);
                    }
                    if (array_key_exists('underline', $pStyles)) {
                        $this->setUnderline($pStyles['underline']);
                    }
                    if (array_key_exists('strike', $pStyles)) {
                        $this->setStrikethrough($pStyles['strike']);
                    }
                    if (array_key_exists('color', $pStyles)) {
                        $this->getColor()->applyFromArray($pStyles['color']);
                    }
                    if (array_key_exists('size', $pStyles)) {
                        $this->setSize($pStyles['size']);
                    }
                }
            } else {
                throw new PHPExcel_Exception("Invalid style array passed.");
            }
            return $this;
        }

        /**
         * Build style array from subcomponents
         * @param array $array
         * @return array
         */
        public function getStyleArray($array) {
            return ['font' => $array];
        }

        /**
         * Get Color
         * @return PHPExcel_Style_Color
         */
        public function getColor() {
            return $this->color;
        }

        /**
         * Set Color
         * @param    PHPExcel_Style_Color $pValue
         * @throws    PHPExcel_Exception
         * @return PHPExcel_Style_Font
         */
        public function setColor(PHPExcel_Style_Color $pValue = null) {
            // make sure parameter is a real color and not a supervisor
            $color = $pValue->getIsSupervisor() ? $pValue->getSharedComponent() : $pValue;
            if ($this->isSupervisor) {
                $styleArray = $this->getColor()->getStyleArray(['argb' => $color->getARGB()]);
                $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
            } else {
                $this->color = $color;
            }
            return $this;
        }

        /**
         * Get Name
         * @return string
         */
        public function getName() {
            if ($this->isSupervisor) {
                return $this->getSharedComponent()->getName();
            }
            return $this->name;
        }

        /**
         * Set Name
         * @param string $pValue
         * @return PHPExcel_Style_Font
         */
        public function setName($pValue = 'Calibri') {
            if ($pValue == '') {
                $pValue = 'Calibri';
            }
            if ($this->isSupervisor) {
                $styleArray = $this->getStyleArray(['name' => $pValue]);
                $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
            } else {
                $this->name = $pValue;
            }
            return $this;
        }

        /**
         * Get the shared style component for the currently active cell in currently active sheet.
         * Only used for style supervisor
         * @return PHPExcel_Style_Font
         */
        public function getSharedComponent() {
            return $this->parent->getSharedComponent()->getFont();
        }

        /**
         * Get Size
         * @return double
         */
        public function getSize() {
            if ($this->isSupervisor) {
                return $this->getSharedComponent()->getSize();
            }
            return $this->size;
        }

        /**
         * Set Size
         * @param double $pValue
         * @return PHPExcel_Style_Font
         */
        public function setSize($pValue = 10) {
            if ($pValue == '') {
                $pValue = 10;
            }
            if ($this->isSupervisor) {
                $styleArray = $this->getStyleArray(['size' => $pValue]);
                $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
            } else {
                $this->size = $pValue;
            }
            return $this;
        }

        /**
         * Get Bold
         * @return boolean
         */
        public function getBold() {
            if ($this->isSupervisor) {
                return $this->getSharedComponent()->getBold();
            }
            return $this->bold;
        }

        /**
         * Set Bold
         * @param boolean $pValue
         * @return PHPExcel_Style_Font
         */
        public function setBold($pValue = false) {
            if ($pValue == '') {
                $pValue = false;
            }
            if ($this->isSupervisor) {
                $styleArray = $this->getStyleArray(['bold' => $pValue]);
                $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
            } else {
                $this->bold = $pValue;
            }
            return $this;
        }

        /**
         * Get Italic
         * @return boolean
         */
        public function getItalic() {
            if ($this->isSupervisor) {
                return $this->getSharedComponent()->getItalic();
            }
            return $this->italic;
        }

        /**
         * Set Italic
         * @param boolean $pValue
         * @return PHPExcel_Style_Font
         */
        public function setItalic($pValue = false) {
            if ($pValue == '') {
                $pValue = false;
            }
            if ($this->isSupervisor) {
                $styleArray = $this->getStyleArray(['italic' => $pValue]);
                $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
            } else {
                $this->italic = $pValue;
            }
            return $this;
        }

        /**
         * Get SuperScript
         * @return boolean
         */
        public function getSuperScript() {
            if ($this->isSupervisor) {
                return $this->getSharedComponent()->getSuperScript();
            }
            return $this->superScript;
        }

        /**
         * Set SuperScript
         * @param boolean $pValue
         * @return PHPExcel_Style_Font
         */
        public function setSuperScript($pValue = false) {
            if ($pValue == '') {
                $pValue = false;
            }
            if ($this->isSupervisor) {
                $styleArray = $this->getStyleArray(['superScript' => $pValue]);
                $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
            } else {
                $this->superScript = $pValue;
                $this->subScript   = !$pValue;
            }
            return $this;
        }

        /**
         * Get SubScript
         * @return boolean
         */
        public function getSubScript() {
            if ($this->isSupervisor) {
                return $this->getSharedComponent()->getSubScript();
            }
            return $this->subScript;
        }

        /**
         * Set SubScript
         * @param boolean $pValue
         * @return PHPExcel_Style_Font
         */
        public function setSubScript($pValue = false) {
            if ($pValue == '') {
                $pValue = false;
            }
            if ($this->isSupervisor) {
                $styleArray = $this->getStyleArray(['subScript' => $pValue]);
                $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
            } else {
                $this->subScript   = $pValue;
                $this->superScript = !$pValue;
            }
            return $this;
        }

        /**
         * Get Underline
         * @return string
         */
        public function getUnderline() {
            if ($this->isSupervisor) {
                return $this->getSharedComponent()->getUnderline();
            }
            return $this->underline;
        }

        /**
         * Set Underline
         * @param string|boolean $pValue          PHPExcel_Style_Font underline type
         *                                        If a boolean is passed, then TRUE equates to UNDERLINE_SINGLE,
         *                                        false equates to UNDERLINE_NONE
         * @return PHPExcel_Style_Font
         */
        public function setUnderline($pValue = self::UNDERLINE_NONE) {
            if (is_bool($pValue)) {
                $pValue = ($pValue) ? self::UNDERLINE_SINGLE : self::UNDERLINE_NONE;
            } elseif ($pValue == '') {
                $pValue = self::UNDERLINE_NONE;
            }
            if ($this->isSupervisor) {
                $styleArray = $this->getStyleArray(['underline' => $pValue]);
                $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
            } else {
                $this->underline = $pValue;
            }
            return $this;
        }

        /**
         * Get Strikethrough
         * @return boolean
         */
        public function getStrikethrough() {
            if ($this->isSupervisor) {
                return $this->getSharedComponent()->getStrikethrough();
            }
            return $this->strikethrough;
        }

        /**
         * Set Strikethrough
         * @param boolean $pValue
         * @return PHPExcel_Style_Font
         */
        public function setStrikethrough($pValue = false) {
            if ($pValue == '') {
                $pValue = false;
            }
            if ($this->isSupervisor) {
                $styleArray = $this->getStyleArray(['strike' => $pValue]);
                $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
            } else {
                $this->strikethrough = $pValue;
            }
            return $this;
        }

        /**
         * Get hash code
         * @return string    Hash code
         */
        public function getHashCode() {
            if ($this->isSupervisor) {
                return $this->getSharedComponent()->getHashCode();
            }
            return md5($this->name . $this->size . ($this->bold ? 't' : 'f') . ($this->italic ? 't' : 'f') . ($this->superScript ? 't' : 'f') . ($this->subScript ? 't' : 'f') . $this->underline . ($this->strikethrough ? 't' : 'f') . $this->color->getHashCode() . __CLASS__
            );
        }
    }
